Answer:
The unequal sharing of electrons gives the water molecule a slight negative charge near its oxygen atom and a slight positive charge near its hydrogen atoms. When a neutral molecule has a positive area at one end and a negative area at the other, it is a polar molecule.
Explanation:
Final answer:
The water molecule's polarity results from the oxygen atom having a partial negative charge and the hydrogen atoms a partial positive charge, leading to unique properties like hydrogen bonding and high boiling and melting points.
Explanation:
The arrangement of two hydrogen atoms and one oxygen atom in a water molecule leads to a molecular geometry where the hydrogen atoms are on one side and the oxygen atom is on the other. This geometry creates a polar molecule due to the uneven distribution of electronic charge. Oxygen is more electronegative, meaning it has a greater ability to attract electrons towards itself, resulting in a partial negative charge on the oxygen end, while the hydrogen ends hold a partial positive charge.
Because of this separation of charges, the water molecule has a net dipole moment, with the dipole pointing from the hydrogen atoms towards the oxygen atom. This dipole-dipole characteristic gives water its unique properties, such as its ability to dissolve many substances and its high boiling and melting points in comparison to molecules of similar size. Furthermore, the polar nature of water facilitates the formation of hydrogen bonds between adjacent water molecules, which is essential to many of water's characteristics necessary for life.
Since crayfish eat dead perch and frogs but do not kill them they are
Final answer:
Crayfish that eat dead perch and frogs without killing them are classified as scavengers, which consume decaying organic material and aid in recycling nutrients.
Explanation:
Since crayfish eat dead perch and frogs but do not kill them, they are considered scavengers. Scavengers are animals that consume dead organisms that they did not kill themselves. In an ecosystem, scavengers play a crucial role by helping to clean up dead material and recycle nutrients back into the environment. Unlike predators, which hunt and kill their prey, scavengers take advantage of what is already deceased, thereby preventing the spread of disease and contributing to the decomposition process.
Which of the following would NOT contribute to the level of organization seen within a protein?
1. Temp
2.pH
3.Amino Acid sequence
4. Duration of protein
5. all of the answer choices are correct
Among the given options, the 'duration of protein' does not contribute to a protein's structural organization. Factors like temperature, pH, and amino acid sequence do play a significant role. They directly impact how a protein's structure forms and changes, which in turn influences a protein's function.
Explanation:The level of organization within a protein is influenced by several factors, including temperature, pH, and amino acid sequence. However, the 'duration of protein' does not contribute to a protein's structural organization. Proteins are organized in four levels: primary (unique sequence of amino acids), secondary (local folding into structures like a-helix and B-pleated sheet), tertiary (overall three-dimensional structure), and sometimes quaternary (when multiple polypeptides combine).
Changes in temperature or pH can cause changes in the protein's shape or denaturation, leading to loss in function. In contrast, the amino acid sequence is crucial in determining the protein's basic structure.
Learn more about Protein Organization here:https://brainly.com/question/14787880
#SPJ12
Temperature, pH, and amino acid sequence significantly influence the structure and function of a protein. However, the 'duration of protein' doesn't affect the level of organization within a protein. Proteins do not possess an inherent lifespan that impacts their function or structure. Therefore, the correct answer is option 4-Duration of protein.
Explanation:The level of organization within a protein is largely influenced by factors such as temperature, pH, and amino acid sequence. These influence the protein's primary structure (the unique sequence of amino acids), secondary structure (local folding of the polypeptide), tertiary structure (the overall three-dimensional structure), and optional quaternary structure (when two or more polypeptides combine to form the complete protein structure).
However, the duration of the protein would not contribute to the level of organization within a protein. Proteins do not have an intrinsic 'lifetime' or duration that influences their structure or function. If the structure of a protein is altered, this may lead to a loss in function, a process known as denaturation.
Learn more about Protein Structure here:https://brainly.com/question/33255981
#SPJ12
Amber is hardened:
gumlike material from cone-bearing trees
bark-like material from cone-bearing trees
needlelike material from cone-bearing trees
Answer:
gumlike material from cone bearing trees
Amber is the fossilized sap of coniferous trees that sometimes contains inclusions like insects and is used for aesthetic and purported therapeutic purposes. It is a gumlike material, not related to the tree's bark or needles, and has gained cultural recognition through media like Jurassic Park.
Amber is the fossilized sap of coniferous trees, specifically from the group known as gymnosperms. Over millions of years, this sap hardens and is preserved in the geological record as amber, often containing inclusions such as air bubbles or insects that became trapped when the sap was still sticky. This biological process is distinct from the materials that make up the needles, bark, or cones of the tree, which do not typically fossilize into amber. Hence, amber is a gumlike material from cone-bearing trees. It is valued both for its scientific significance and its aesthetic appeal when polished for jewelry. Additionally, some believe amber has therapeutic properties, such as providing pain relief, though this is not scientifically substantiated. While amber is prominently known due to its fictional portrayal in the Jurassic Park film series, the reality of extracting dinosaur DNA from amber-encased insects remains purely science fiction.
What is the difference between frequency and energy
A new sewage pipe empties raw sewage into a nearshore coral reef. Which graph shows the expected immediate impact of this change?
Answer:
GRAPH d
Explanation:
The main impact of raw sewage will be an increase in nutrient concentrations. This will spur growth of algae and also increase the populations of the two primary algae grazers
Dumping raw sewage into a nearshore coral reef will cause immediate and severe damage to the ecosystem, resulting in a decline in biodiversity, health of the coral polyps, species diversity, and an overall reduction in reef size. This can also negatively impact local fisheries and tourism, and threaten the local economy.
Explanation:The dumping of raw sewage into a nearshore coral reef is expected to have a dramatic and immediate negative impact. Similar to the outcome of dredging certain beaches, this action can cause significant disruption to the biodiversity of the reef, damaging or killing off marine life and especially affecting the sensitive corals themselves. Coral reefs, known to be home to approximately 25% of all marine species, are incredibly sensitive to changes in their environment, such as an increase in pollution levels from sewage or a rise in ocean acidification as a result of increased carbon dioxide concentrations.
Therefore, a graph showing the expected immediate impact of this change would likely depict a sharp decline in the health and biodiversity of the reef ecosystem. This could include metrics like a decrease in the number of healthy coral polyps, a decline in species diversity, or a reduction in overall reef size.
Damage to such ecosystems also has indirect impacts, such as a decrease in local fisheries, a decline in the health of marine life species that rely on the reef for their habitat, and a negative effect on tourism. These changes can, in turn, threaten parts of the local economy that depends on these resources.
Learn more about Impact on Coral Reefs here:https://brainly.com/question/37597160
#SPJ2
2.
________________ and water, in the presence of light energy, are the reactants in photosynthesis.
Carbon dioxide is the answer. happy to help.
Which situation would be most effectively shown by a conceptual model?
a model showing the organs in the human body
the flow of matter and energy through an ecosystem
the shape of a large molecule
the relationship between temperature and volume for gases
OPTION B.
A conceptual model is most effectively used to show the flow of matter and energy through an ecosystem, highlighting interactions and energy transfers between organisms.
Explanation:The situation that would be most effectively shown by a conceptual model is the flow of matter and energy through an ecosystem. Conceptual models are incredibly useful for demonstrating ecosystem structure and dynamics, which includes the relationships and transfers of energy or nutrients between different organisms and their environment. This often takes the form of flow charts or compartment models that graphically depict these interactions, and they are particularly important for understanding and managing the maintenance of ecosystem health.
Learn more about conceptual model here:
https://brainly.com/question/11274859
#SPJ12
The most effectively shown situation by a conceptual model is B) 'the flow of matter and energy through an ecosystem.'
Conceptual models are particularly useful for showing relationships and interactions within a system. They often utilize flow charts to depict the relationships between different parts of an ecosystem and the transfer of energy or nutrients between them. This is because a conceptual model can clearly illustrate how energy and matter move through various trophic levels and compartments within an ecosystem.
Here are the options:
Model showing the organs in the human body: This would be better represented using a physical model or a detailed anatomical diagram rather than a conceptual model.Flow of matter and energy through an ecosystem: Conceptual models are particularly useful for depicting these kinds of relationships and dynamics. They can show how energy is transferred from one trophic level to another and how matter cycles through different parts of the ecosystem.Shape of a large molecule: The shape of molecules is typically represented using molecular models or structural formulas, not conceptual models.The relationship between temperature and volume for gases: This relationship is best described using mathematical equations and graphs, such as the ideal gas law, rather than a conceptual model.Blood is a mixture of a variety of materials. Some of the materials are dissolved in the fluid portion of blood. Other materials, such as blood cells, do not dissolve but move along with the blood.
For these reasons, blood is an example of which type of mixture?
A. a solvent
B. a solution
C. a suspension
D. a buffer
Answer:
Explanation:
I don't know exactly, but I think it is a suspension because of all the macromolecules and other things in the blood. It could also be a solution because blood dissolves things like salt, minerals, vitamins, and lots of other things. I would pick one of those two.
Answer:
The correct answer is C. a suspension
Explanation:
Suspension is a mixture of solute and solvent in which the solute particles do not mix with solvent and get pellet down if left undisturbed.
So in the case of blood, blood cells do not dissolve in it and these cells settle down when left undisturbed for some time. Salts, proteins, and serum also settles down with blood cells.
But blood is a mixture with quality of all three medium solution, colloid, and suspension so it is hard to say that blood is only suspension. Colloidal suspension is another word that is widely used for blood.
HELP URGENT!!! WILL MARK BRAINLIEST
in the plant shown, the allele for purple flower color is most likely
a. dominant or the allele for the white flower
b. recessive to the allele for white flower color
c. codominant with the allele for the white flower color
d. incompletely dominant with the allele for the flower color
Answer:
c. codominant with the allele for the white flower color
Explanation:
i meant this one sorry
Based on typical patterns in plant genetics, the allele for purple flower color in the plant shown would likely be dominant over the allele for the white flower color. This is supported by Mendel's law of dominance and demonstrated through the Punnett square approach.
Explanation:In relation to your question about the plant shown and the color of its flowers, the allele for purple flower color is likely dominant to the allele for the white flower color. To clarify, this is supported by Mendel's law of dominance, which indicates that in a heterozygote (a plant with one dominant and one recessive allele, like Vv), the dominant trait will be the one expressed.
Hence, as per the information from numerous studies, purple is often the dominant trait over white in flower color for many plant species, including peas.
Apart from that, from the Punnett square approach, when a homozygous dominant plant (VV) is crossed with a homozygous recessive (vv), all offspring in the first generation (F1) will be heterozygous (Vv) and will show the dominant trait, which in this case is the purple color.
In conclusion, based on this established genetic principle, if the plant you are referring to exhibits this common genetic pattern, then the allele for purple flower color would be dominant to the white flower color.
Learn more about Flower Color Genetics here:https://brainly.com/question/23862478
#SPJ3
Describe what is happening in the graph and explain how the graph relates to enzymes.
Answer:wuit
Explanation:
The graph shows the relationship between enzyme-catalyzed reaction rate and substrate concentration. Initially, as substrate concentration increases, reaction rate also increases. Eventually, the reaction rate plateaus as all enzymes become saturated with substrate.
Explanation:The graph represents the relationship between the rate of an enzyme-catalyzed reaction and the substrate concentration. Initially, as the substrate concentration increases, the rate of reaction also increases. However, at a certain point, the rate of reaction plateaus and becomes constant.
This graph is related to enzymes because enzymes are catalysts that increase the rate of chemical reactions. The graph shows how the rate of an enzyme-catalyzed reaction is affected by the concentration of the substrate. Initially, more substrate means more enzyme-substrate complexes and a faster reaction rate. But beyond a certain substrate concentration, all the enzymes are saturated with substrate, so adding more substrate doesn't further increase the rate.
Learn more about enzyme-catalyzed reaction rate here:https://brainly.com/question/32822900
#SPJ2
3. How does fluoroquinolone affect bacterial cells but not eukaryotic cells?
It compromises bacterial cell walls by inhibiting formation of peptidoglycan, a chemical not found in eukaryotic cells.
Answer:
In order to be useful in treating human infections, antibiotics must selectively target bacteria for eradication and not the cells of its human host. Indeed, modern antibiotics act either on processes that are unique to bacteria--such as the synthesis of cell walls or folic acid--or on bacterium-specific targets within processes that are common to both bacterium and human cells, including protein or DNA replication. Following are some examples.
Most bacteria produce a cell wall that is composed partly of a macromolecule called peptidoglycan, itself made up of amino sugars and short peptides. Human cells do not make or need peptidoglycan. Penicillin, one of the first antibiotics to be used widely, prevents the final cross-linking step, or transpeptidation, in assembly of this macromolecule. The result is a very fragile cell wall that bursts, killing the bacterium. No harm comes to the human host because penicillin does not inhibit any biochemical process that goes on within us.
hope this helps :) can i get brainliest?
Explanation:
Answer:
It compromises bacterial cell walls by inhibiting formation of peptidoglycan, a chemical not found in eukaryotic cells
Explanation:
All antibacterial agents are unable to harm the eukaryotic cells because of various reasons. Some antibacterial agents are unable to stop protein synthesis while some interacts with the enzymes required for development of cell wall in bacteria etc.
Fluoroquinolone are artificial broad spectrum antibiotic drugs that act as natural antimicrobials and prevent prokaryotic cell like bacteria from dividing by prohibiting DNA unwinding and duplicating and also inhibits the formation of cell wall by formation of peptidoglycan
Tim wants to perform an experiment with yeast. He forms a hypothesis in which he predicts that all of the yeast will eventually die. Would this be a good experiment?
A. Yes, because it involves living things and you can observe what happens to the bacteria.
B. No, because the hypothesis is not falsifiable since all living things eventually die anyhow.
C. Yes, because you could test a lot of different ways the bacteria could die.
D. No, because he does not explain what the results of the experiment are
The experiment performed by Tim is not considered a good experiment. This is because he does not explain the results of the experiment along with the die-off of yeast. Thus, the correct option for this question is D.
What is a Hypothesis?A hypothesis may be defined as a type of testable declaration that significantly deals with the relationship between two or more variables in order to propose an explanation for some sort of observed phenomenon.
Every hypothesis must be terminated with a valid and accurate conclusion with respect to the clear result and outcome. Until this is not achieved, an experiment will not be considered good or valid.
So, according to Tim's experimental hypothesis, all of the yeast will eventually die but he does not illustrate the result behind the same.
Therefore, the experiment performed by Tim is not considered a good experiment. This is because he does not explain the results of the experiment along with the die-off of yeast. Thus, the correct option for this question is D.
To learn more about the Experimental hypothesis, refer to the link:
https://brainly.com/question/16841400
#SPJ2
Animals adapted for surviving waves, as well as sudden changes in water level and temperature, would be found in the
open ocean
wetlands
neritic zone
intertidal zone
Answer: intertidal zone
Explanation:
Intertidal zone is the transitional zone between the land and water body. This zone is susceptible to the low and high tides due to the effect of gravity, wind currents, temperature changes and due to water level. The intertidal zone is a shallow zone. The animals are adapted to survive in such unstable conditions.
Answer:
intertidal zone
Explanation:
Just took test on edg.
the process of breaking down a larger molecule, called a ploymer, into its monomets is called what
Answer:
dehydration synthesis
Explanation:
Answer: hydrolysis
Explanation: Monomers are assembled into polymers through a process called dehydration synthesis. Polymers are broken down into monomers through a process called hydrolysis (hydro = water, lyse = to break). ... Polymers are large molecules made up of smaller molecules, referred to as monomers.
What is a difference between prokaryotic and eukaryotic cells? A. Prokaryotic cells do not have a nucleus, but eukaryotic cells do. B. Prokaryotic cells always have cell walls, but eukaryotic cells do not. C. Eukaryotic cells do not have membrane-bound organelles, but prokaryotic cells do. D. Organisms with eukaryotic cells are always multicellular, but organisms with prokaryotic cells are not.
Answer:
The correct answer is A
Explanation:
Eukaryotic cells have a nucleus containing their DNA, whereas prokaryotic cells do not have a nucleus.
Answer:
The Correct Answer is A
Explanation:
Numerous variations are connecting the two, but the most significant characteristic connecting them signifies that eukaryotic organisms have a distinguished nucleus comprising the cell's hereditary matter, while prokaryotic organisms don't have a nucleus and have free hovering hereditary matter rather.
Stella thinks that if people are exposed ultraviolet light then they are more likely get skin cancer. Stella designs an experiment wherein sample A consisted of people were exposed to ultraviolet light and sample B was not.
What is the control group?
Which of the following are limits of reductionism when applied to living systems?
Answer:
dbdghdhf7rhhrhryr
.
Explanation:
.hevdueveieveyegeueveudrvhrh
In order for speciation to occur organisms can no
longer interbreed. This is known as _______.
Reproductive isolation
Physical isolation
Answer:
Reproductive isolation
Explanation:
The definition of speciation is "the formation of new and distinct species in the course of evolution." Because a new a distinct species is formed, even if not physically isolated, they can not interbreed because two species can not reproduce with each other. Therefore, the answer is Reproductive isolation, because speciation will still occur even without physical isolation.
In order for speciation to occur organisms can no longer interbreed This is known as Reproductive isolation.
What is reproductive isolation ?
The inability of a species to breed successfully with related species due to geographical, behavioral, physiological, or genetic barriers or differences.
What is reproductive isolation give an example?An example of reproductive isolation is in changes of bird song from different species of finch of the Galapagos island.
To learn more about Reproductive isolation , here
https://brainly.com/question/3089401?referrer=searchResults
#SPJ2
How are mitosis and binary fission similar? A.
They produce identical daughter cells.
B.
They occur only in prokaryotes.
C.
They involve division of nuclei as well as cytoplasm.
D.
They occur only during sexual reproduction.
Answer:
answer is A
Explanation:
it is because in mitosis , the cell divides it self into two daughter cells as it is asexual
in binary fission the cell divides into two daughter cells. so both ways are similar
Answer: A. They produce identical daughter cells.
Mitosis and binary fission are similar because they produce identical daughter cells.
Explanation:
Binary fission is an asexual reproductive method found in organisms like hydra. The offspring produced by binary fission are identical to the parent. Mitosis is similar to binary fission in this respect.
Mitosis and meosis occur in eukaryotic cells. Mitosis produces only two daughter cells which are identical while meosis produces four daughter cells and they need not be identical.
It is meosis that takes place in reproductive cells and mitosis that takes place in somatic cells. Diploid daughter cells are produced by mitosis and haploid daughter cells are produced by meosis.
In the gas diffusion experiment, why did the ammonia (NH3) have a faster diffusion
rate than hydrogen chloride (HCI)?
a) we added twice as much ammonia to the cotton compared to the HCI
Ob) the ammonia has a lower molecular weight
Oc) the HCl adheres to the glass container and thus does not travel far
Od) the ammonia has a higher molecular weight
The ammonia has a higher molecular weight
Answer:
Ammonia as it has lower Molecular mass.
What is C. difficile’s role in disease? Detailed answer.
Role of C. difficile in disease:
Clostridium difficiles are anaerobic, spore-forming, and Gram-positive bacteria that produce two exo-toxins: toxin A and B. This is a very common symptoms of Antibiotic-Associated Diarrhea (AAD).
Patients with C. difficiles feces spores, without strict precautions, the spores accidentally fall into the hands, kitchen utensils and food.
Then, these are swallowed by another person. The spores live in the second person's human digestive tract, but in normal conditions bacteria control C. difficiles and the disease does not develop.
But if "good" GI bacteria are eliminated with antibiotics, C. difficiles reproduction and growth produce toxins that damage the intestinal mucosa. It causes diarrhea, inflammation, and sometimes loss in appetite.
what is chyclomicrons?
Answer:
Chyclomicrons is a little fat globule made out of protein and lipid.
Explanation:
It is found in the blood and lymphatic liquid where they circle fat from its port of passage was given in the digestive tract to the Liver and fat tissue. When we take a greasy dinner the blood is satisfied with chyclomicrons.
It looks so smooth. The CM leeway rate is quick, the half-life is 10 minutes, and the ordinary human can not be recognized following 12 hours on fasting.
Which combination is an element? How do you know?
Answer:
A compound is a substance formed when two or more elements are chemically joined. Water, salt, and sugar are examples of compounds. When the elements are joined, the atoms lose their individual properties and have different properties from the elements they are composed of.
HOPE THIS HELPED!!!!!!!!!!!!! XDDDDDDDDDDD
Answer:
The combination in cell A (the two ovals) is an element. Two atoms of the same kind combine through a chemical bond.
Explanation:
PLATO answer
i eat only plants. iam a(n)______
Answer:
Herbivore.
Explanation:
Herbivores only eat plants, while carnivores only eat meat.
Answer:
herbivore because they only eat plants
Which of the following is a risk of
being underweight?
A. Starting to develop arthritis
B. Increased possibility of stroke
C. Poorly functioning immune system
D. Becoming more susceptible to heart disease
Answer:
C. Poorly functioning immune system
Explanation:
Being underweight would basically mean that you aren't receiving enough nutrition for your body, causing your immune system to weaken from it.
a controlled experiment you could perform to determine whether ants are more attracted to butter or honey
Place equal amounts of butter and honey on identical plates, observe ant attraction, and compare results to determine preference.
To determine whether ants are more attracted to butter or honey, follow this controlled experiment:
Materials
- Two identical containers or plates.
- Butter and honey.
- A fixed number of ants (e.g., from an ant farm).
- Stopwatch or timer.
- Controlled environment (same temperature, light).
Procedure
- Place equal amounts of butter on one plate and honey on another.
- Position both plates at equal distances from the ant colony.
- Release the same number of ants at a central point, equidistant from both plates.
- Observe and record the number of ants on each plate every 5 minutes for 30 minutes.
Controls
- Ensure plates are identical in size and shape.
- Keep environmental conditions consistent.
- Use equal quantities of butter and honey.
Analysis
- Compare the number of ants on each substance.
- Determine which attracted more ants based on the data.
Conclusion
- The substance with more ants indicates higher attraction. Repeat trials for reliability.
Complete question
Describe a controlled experiment you could perform to determine whether ants are more attracted to butter or to honey.
How does food web complexity affect the biodiversity of an ecosystem?
How Does Food Complexity Affect the Biodiversity of an Ecosystem? -More consistency among populations, but still changing through time. As food web complexity increases, there is less stability in the population of the different species, causing as a result, biodiversity fluctuations in a more rapid and frequent way.
The complexity of a food web is directly proportional to the biodiversity of an ecosystem. More complex food webs with multiple levels of consumers and producers can support a higher number of species. In contrast, simpler food webs might not enable such high biodiversity.
Explanation:The complexity of a food web greatly affects the biodiversity within an ecosystem. A complex food web with multiple levels of consumers and producers can support a higher number of species as there are more niches, or roles, available. This can result in greater diversity and stability. For example, in a complex aquatic ecosystem, there might be multiple types of algae (the producers), various small invertebrates that eat the algae, fish that eat the invertebrates, and birds that eat the fish. Each level of the food web supports the others and allows for a diverse array of species to coexist. In contrast, a simple food web with few producers and consumers might not be able to support such a high level of biodiversity.
Learn more about Food Web Complexity and Biodiversity here:https://brainly.com/question/35873117
#SPJ2
Help me please it’s due in 20 mins
Hello!
your answer is A. How much energy is used to make one paper bag?
the word "should" is a giveaway of B, C, and D being questions for personal opinions. everyone has different views on what SHOULD be, so if you asked 100 people, chances are you'd get many different answers.
A can only have one possible answer.
(I don't know the answer to how much energy is used to make one paper bag so let's just leave it at that, shall we?)
I hope this helps, and have a nice day!
Please Help!!!!!!
98 points!!!!
Title:
Instructions: Choose a property of water and design an experiment to test the property. Use the following lab template to ensure all lab report components are included.
Objective(s):
Identify the purpose of your investigation or the question you are attempting to answer. Be sure to tie in the property of water you are testing.
Hypothesis:
Variables:
Independent Variable:
Dependent Variable:
Controlled Variable
Materials:
Procedure:
The procedure should be clear and detailed so that others can repeat it. The details should be specific in how the procedure changes the independent variable, controls all variables that need to be controlled, and observes or measures the resulting changes to the dependent variable.
Data and Observations:
Present all data and observations in a neat and organized manner. Include tables and graphs where appropriate/possible.
Conclusion:
Be sure to answer the following reflection questions as a summary in the conclusion of your lab report:
Was your hypothesis correct? Why or why not?
What were the results of your experiment?
What changes would you make if you were to repeat the experiment?
Questions:
Using what you have learned in the lesson and the experiment, answer the following question in complete sentences.
Analyze the property of water you investigated and provide some real-world applications of the importance of this property of water.
Safety Notes:
Answer:
Explanation:
you could do Water's Attraction to Other Polar Molecules.
Cohesion, otherwise known as water's attraction to other water molecules, is one of the big properties of water. Water's polarity lends it to be attracted to other water molecules. The hydrogen bonds in water hold other water molecules together. Due to water's cohesiveness:
Liquid water has surface tension. This allows for insects, such as Water Striders, to walk on water.
Water is a liquid at moderate temperatures, and not a gas.
Using an eye dropper and a coin, you can slowly keep adding water to the coin and you will see cohesion.
The water molecules will stick together and form a dome over the coin. Keep adding drops until the drop breaks and spills off of the coin. This is caused by gravity overcoming the force of cohesion.
Objective: Investigate how the property of cohesion in water affects the movement of water in plants.
Hypothesis: If the property of cohesion in water is strong, then water movement in plants will be efficient.
Variables:
Independent Variable: Presence of cohesive water.
Dependent Variable: Water movement in plants.
Controlled Variables: Plant type, light, temperature, soil type, water amount.
Materials:
Celery stalks with leaves
Food coloring
Water
Clear containers
Procedure:
Fill containers with water and add different food coloring to each.
Place celery stalks in containers, ensuring the cut end is submerged.
Observe and record changes in water level and color in the celery over 24 hours.
Data and Observations: Present data on water levels, color changes, and plant appearance in a table and graph.
Conclusion:
Hypothesis confirmed: Cohesion in water allows efficient movement in plants. Water visibly traveled up celery stems due to cohesion and adhesion forces.
Reflection:
Hypothesis confirmed due to observable water movement. Changes: Use various plant types, liquids, or temperature ranges for broader insights.
Real-world Applications:
Cohesion aids water transport in trees, enabling nutrients to move from roots to leaves, supporting photosynthesis, growth, and overall plant health.
Safety Notes:
Handle food coloring carefully to avoid staining. Use caution when cutting celery stalks to prevent injuries.
To learn more about cohesion in water here
https://brainly.com/question/30876259
#SPJ2
How do waves change as they approach the shore?
A. The wavelength increases
B. The distance between the crest increases
C. Friction along the top of the wave increases
D. The height increases
D. The height increases
Explanation:Beach is the place in which we can enjoy the waves. It is a surprising phenomenon which all loves to watch. As the waves arises in the sea, the wavelength of the waves keep on decreasing from the mid of the sea till the shore. Due to this, the crest of the wave which emerged from the center of the sea has high distance when compared to the wave which has neared the shore.
As the waves moves towards the shore from the mid of the sea, the height of the wave increase and it hits the shore and moves back.
the height increases
just had the question